Home / 25,152.06-34,712.58-15,589.40

Finding the Fourth Proportional to 25,152.06, 34,712.58 and 15,589.40

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Solution

The fourth proportional to 25,152.06, 34,712.58 and 15,589.40 is: 21,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.06 : 34,712.58 = 15,589.40 : x
  2. Step 2: Convert to fraction form
    25,152.06/34,712.58 = 15,589.40/x
  3. Step 3: Cross multiply
    25,152.06x = 34,712.58 × 15,589.40
  4. Step 4: Simplify right side
    25,152.06x = 541,148,294.65
  5. Step 5: Solve for x
    x = 541,148,294.65/25,152.06
  6. Step 6: Final answer
    x = 21,515.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.